Physics – Condensed Matter – Materials Science
Scientific paper
2009-06-30
Physics
Condensed Matter
Materials Science
31 pages, accepted for publication in J. Low Temp. Phys
Scientific paper
We review quantum Monte Carlo results on energetic and structure properties of quantum fluids adsorbed in a bundle of carbon nanotubes. Using realistic interatomic interactions the different adsorption sites that a bundle offer are accurately studied and compared in some cases with strictly one-dimensional geometries. The study is performed quite extensively for $^4$He and restricted to the inner part of a single nanotube for H$_2$ and D$_2$. From a theoretical point of view, nanotubes open the real possibility of a quasi-one-dimensional confinement where to study quantum fluids in extremely reduced dimensionality. The results obtained show that in the narrowest configurations the system is nearly one-dimensional reinforcing the interest on the physics of one-dimensional quantum fluids. Experimental confirmation of the theoretical results obtained is still not in a satisfactory situation due to the difficulties on extracting from the data the dominant adsorption sites.
Boronat Jordi
Gordillo M. C.
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